REGENERATED RUBBER COMPOSITION USING SUB-PRODUCTS OF FOOD INDUSTRY AND PROCESS FOR OBTAINING THE COMPOSITION

The invention relates to a regenerated rubber composition and to a process for obtaining the same. According to the invention, the composition consists of parts by weight, of 90...100 parts of used rubber granules, 1...2.2 parts of fuel oil, 0.6...1.1 parts of dixylyl disulphides, 10...25 parts of s...

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Hauptverfasser:	DAVID VIOREL, ANGLI OIU FLORIAN, TOMESCU SORIN, GR MAD ION, VIRJAN GHEORGHE
Format:	Patent
Sprache:	eng ; rum
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
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creator	DAVID VIOREL ANGLI OIU FLORIAN TOMESCU SORIN GR MAD ION VIRJAN GHEORGHE
description	The invention relates to a regenerated rubber composition and to a process for obtaining the same. According to the invention, the composition consists of parts by weight, of 90...100 parts of used rubber granules, 1...2.2 parts of fuel oil, 0.6...1.1 parts of dixylyl disulphides, 10...25 parts of sunflower or rape grist. According to the invention, the process consists in treating used rubber granules in admixture with the other ingredients at a temperature of 220...250°C, for 60...120 min with steam at a pressure of 25...40 atm, afterwards there follows a regeneration by repeated refinements, wherefrom there results a rubber composition with resistance at breakage of minimum 40 daN/cmp. Invenţia se referă la o compoziţie de cauciuc regenerat şi la un procedeu pentru obţinerea acesteia. Compoziţia conform invenţiei este constituită, în părţi de greutate, din 90...100 părţi cauciuc uzat granule, 1...2,2 părţi păcură, 0,6...1,1 părţi disulfuri de dixilil, 10...25 părţi şrot de floarea soarelui sau rapiţă. Procedeul conform invenţiei constă în tratarea granulelor de cauciuc uzat în amestec cu celelalte ingrediente la o temperatură de 220...250°C, timp de 60...120 min cu abur la o presiune de 25...40 atm, după care urmează o regenerare prin rafinări repatate, din care rezultă o compoziţie de cauciuc cu o rezistenţă la rupere de minimum 40 daN/cmp.
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According to the invention, the composition consists of parts by weight, of 90...100 parts of used rubber granules, 1...2.2 parts of fuel oil, 0.6...1.1 parts of dixylyl disulphides, 10...25 parts of sunflower or rape grist. According to the invention, the process consists in treating used rubber granules in admixture with the other ingredients at a temperature of 220...250°C, for 60...120 min with steam at a pressure of 25...40 atm, afterwards there follows a regeneration by repeated refinements, wherefrom there results a rubber composition with resistance at breakage of minimum 40 daN/cmp. Invenţia se referă la o compoziţie de cauciuc regenerat şi la un procedeu pentru obţinerea acesteia. Compoziţia conform invenţiei este constituită, în părţi de greutate, din 90...100 părţi cauciuc uzat granule, 1...2,2 părţi păcură, 0,6...1,1 părţi disulfuri de dixilil, 10...25 părţi şrot de floarea soarelui sau rapiţă. 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subjects	CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-UP
title	REGENERATED RUBBER COMPOSITION USING SUB-PRODUCTS OF FOOD INDUSTRY AND PROCESS FOR OBTAINING THE COMPOSITION
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